Proof and Supposal
Opposite meaning words
Proof
Proof noun - Something presented in support of the truth or accuracy of a claim.
Supposal
Supposal noun - A hypothesis that is taken for granted.
Cite this Source
Supposal and Proof. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/proof/supposal
Proof & Supposal. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/proof/supposal>.
Supposal or Proof. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/proof/supposal.
Google Ngram Viewer shows how "proof" and "supposal" have occurred on timeline